* Implements usage of the REVERSE_DIR macro throughout the code. (#77122)
## About The Pull Request
Replaces a ton of `turn(dir, 180)` calls with the aforementioned macro.
## Why It's Good For The Game
Afaik, `REVERSE_DIR` was coded to be faster than the classic `turn(dir,
180)` call, being a simple set of binary operations. To sum it up, micro
optimization.
## Changelog
N/A
* Implements usage of the REVERSE_DIR macro throughout the code.
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Co-authored-by: Ghom <42542238+Ghommie@users.noreply.github.com>
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